Holtsville, New York
Current Conditions -  °F | °C
As of 4:56 AM on Tuesday 22 Jul 2014 (Local Time) from KISP Reporting Station
Clear Clear  
Wind Chill: 68°   Ceiling: Unl
Heat Index: 68°   Visibility: 10mi
Dew Point: 63°   Wind: 0mph
Humidity: 84%   Direction: NA
Pressure: 30.15"   Gusts: NA
Location:  40.81°N, 73.04°W
Report Text: KISP 220856Z AUTO 00000KT 10SM CLR 20/17 A3015 RMK AO2 SLP210 T02000172 56001
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Tropical Storm Tracking
Hourly Forecast -  °F | °C
Hi 84° - Lo 68°
6 AM
Sunny
Sunny
67°
7 AM
Sunny
Sunny
69°
8 AM
Sunny
Sunny
72°
9 AM
Sunny
Sunny
75°
10 AM
Sunny
Sunny
78°
11 AM
Sunny
Sunny
80°
Weather Maps
Daily Forecast -  °F | °C
tue wed thu fri sat sun mon tue wed thu
jul
22
Sunny
Sunny
84°
68°
jul
23
Iso T-Storms
Iso T-Storms
83°
68°
jul
24
Iso T-Storms
Iso T-Storms
78°
62°
jul
25
Sunny
Sunny
81°
62°
jul
26
P Cloudy
P Cloudy
81°
65°
jul
27
Sct T-Storms
Sct T-Storms
79°
66°
jul
28
T-Showers
T-Showers
78°
67°
jul
29
Sct Showers
Sct Showers
79°
65°
jul
30
P Cloudy
P Cloudy
78°
65°
jul
31
P Cloudy
P Cloudy
78°
66°
Details for Tuesday, July 22
Abundant sunshine. High 84F. Winds SW at 10 to 15 mph.
Evening: A few passing clouds. Low 68F. Winds SSW at 10 to 15 mph.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 9%
Cloud Coverage
Sunrise: 5:39 AM
Sunset: 8:17 PM
 
Moonrise: 2:11 AM
Moonset: 4:52 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (217°)
Speed: 12Mph(20Km, 10Kts)
Details for Wednesday, July 23
Scattered clouds with the possibility of an isolated thunderstorm developing during the afternoon. A few storms may be severe. High 83F. Winds SSW at 10 to 20 mph. Chance of rain 30%.
Evening: Scattered thunderstorms. Low 68F. Winds WSW at 10 to 20 mph. Chance of rain 50%.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 50%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 32%
Cloud Coverage
Sunrise: 5:40 AM
Sunset: 8:16 PM
 
Moonrise: 2:57 AM
Moonset: 5:43 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SSW
Direction: SSW (201°)
Speed: 16Mph(26Km, 14Kts)
Details for Thursday, July 24
Isolated thunderstorms. Highs in the upper 70s and lows in the low 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 63%
Cloud Coverage
Sunrise: 5:41 AM
Sunset: 8:15 PM
 
Moonrise: 3:47 AM
Moonset: 6:28 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  N
Direction: N (6°)
Speed: 9Mph(15Km, 8Kts)
Details for Friday, July 25
Sunny. Highs in the low 80s and lows in the low 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 58%
Relative Humidity
Precipitation: 0%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 0%
Cloud Coverage
Sunrise: 5:42 AM
Sunset: 8:14 PM
 
Moonrise: 4:39 AM
Moonset: 7:09 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  WSW
Direction: WSW (248°)
Speed: 9Mph(15Km, 8Kts)
Details for Saturday, July 26
Times of sun and clouds. Highs in the low 80s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 62%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 29%
Cloud Coverage
Sunrise: 5:43 AM
Sunset: 8:14 PM
 
Moonrise: 5:33 AM
Moonset: 7:46 PM
Moon Phase:  Waning Crescent
Moonphase:
Waning Crescent
Wind Direction:  SW
Direction: SW (221°)
Speed: 10Mph(16Km, 9Kts)
Details for Sunday, July 27
A few thunderstorms possible. Highs in the upper 70s and lows in the mid 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 40%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 72%
Cloud Coverage
Sunrise: 5:44 AM
Sunset: 8:13 PM
 
Moonrise: 6:29 AM
Moonset: 8:20 PM
Moon Phase:  New
Moonphase:
New
Wind Direction:  SSE
Direction: SSE (155°)
Speed: 12Mph(20Km, 10Kts)
Details for Monday, July 28
Showers, maybe a rumble of thunder. Highs in the upper 70s and lows in the upper 60s.
UV Index: 7 (High)
Ultraviolet Radiation Index
Relative Humidity: 71%
Relative Humidity
Precipitation: 60%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 65%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:12 PM
 
Moonrise: 7:25 AM
Moonset: 8:51 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSE
Direction: SSE (155°)
Speed: 12Mph(20Km, 10Kts)
Details for Tuesday, July 29
Scattered showers. Highs in the upper 70s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 70%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 26%
Cloud Coverage
Sunrise: 5:45 AM
Sunset: 8:11 PM
 
Moonrise: 8:21 AM
Moonset: 9:20 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (204°)
Speed: 13Mph(21Km, 11Kts)
Details for Wednesday, July 30
Partly cloudy. Highs in the upper 70s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 65%
Relative Humidity
Precipitation: 10%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 16%
Cloud Coverage
Sunrise: 5:46 AM
Sunset: 8:10 PM
 
Moonrise: 9:17 AM
Moonset: 9:49 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SSW
Direction: SSW (206°)
Speed: 10Mph(16Km, 9Kts)
Details for Thursday, July 31
Times of sun and clouds. Highs in the upper 70s and lows in the mid 60s.
UV Index: 9 (Very High)
Ultraviolet Radiation Index
Relative Humidity: 66%
Relative Humidity
Precipitation: 30%
Probability of Precipitation
Snow: 0%
Snow
Cloud Coverage: 31%
Cloud Coverage
Sunrise: 5:47 AM
Sunset: 8:09 PM
 
Moonrise: 10:14 AM
Moonset: 10:18 PM
Moon Phase:  Waxing Crescent
Moonphase:
Waxing Crescent
Wind Direction:  SE
Direction: SE (145°)
Speed: 11Mph(18Km, 9Kts)
Daily Forecast Chart
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